/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 10:13:48,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 10:13:49,023 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 10:13:49,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 10:13:49,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 10:13:49,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 10:13:49,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 10:13:49,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 10:13:49,044 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 10:13:49,047 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 10:13:49,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 10:13:49,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 10:13:49,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 10:13:49,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 10:13:49,049 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 10:13:49,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 10:13:49,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 10:13:49,050 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 10:13:49,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 10:13:49,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 10:13:49,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 10:13:49,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 10:13:49,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 10:13:49,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 10:13:49,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 10:13:49,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 10:13:49,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 10:13:49,065 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 10:13:49,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 10:13:49,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 10:13:49,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 10:13:49,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 10:13:49,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:13:49,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 10:13:49,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 10:13:49,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 10:13:49,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 10:13:49,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 10:13:49,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 10:13:49,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 10:13:49,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 10:13:49,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 10:13:49,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 10:13:49,067 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 10:13:49,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 10:13:49,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 10:13:49,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 10:13:49,286 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 10:13:49,286 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 10:13:49,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2023-12-21 10:13:50,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 10:13:50,487 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 10:13:50,487 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2023-12-21 10:13:50,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783c3a268/3072ceb315254c5999a6cdd64315215f/FLAG799e2ba72 [2023-12-21 10:13:50,512 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783c3a268/3072ceb315254c5999a6cdd64315215f [2023-12-21 10:13:50,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 10:13:50,514 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 10:13:50,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 10:13:50,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 10:13:50,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 10:13:50,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:50,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3bb3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50, skipping insertion in model container [2023-12-21 10:13:50,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:50,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 10:13:50,762 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c[9626,9639] [2023-12-21 10:13:50,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:13:50,839 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 10:13:50,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-12-21 10:13:50,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101] [2023-12-21 10:13:50,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176] [2023-12-21 10:13:50,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [450] [2023-12-21 10:13:50,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [553] [2023-12-21 10:13:50,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [653] [2023-12-21 10:13:50,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [662] [2023-12-21 10:13:50,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [697] [2023-12-21 10:13:50,882 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c[9626,9639] [2023-12-21 10:13:50,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 10:13:50,937 INFO L206 MainTranslator]: Completed translation [2023-12-21 10:13:50,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50 WrapperNode [2023-12-21 10:13:50,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 10:13:50,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 10:13:50,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 10:13:50,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 10:13:50,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:50,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:51,003 INFO L138 Inliner]: procedures = 61, calls = 110, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 249 [2023-12-21 10:13:51,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 10:13:51,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 10:13:51,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 10:13:51,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 10:13:51,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:51,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:51,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:51,050 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-21 10:13:51,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:51,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:51,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:51,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:51,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:51,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:51,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 10:13:51,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 10:13:51,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 10:13:51,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 10:13:51,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (1/1) ... [2023-12-21 10:13:51,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 10:13:51,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:13:51,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-21 10:13:51,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-21 10:13:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 10:13:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-21 10:13:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-21 10:13:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-21 10:13:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-21 10:13:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-21 10:13:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-21 10:13:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-21 10:13:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-21 10:13:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-21 10:13:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-21 10:13:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-21 10:13:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-21 10:13:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-21 10:13:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-21 10:13:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-21 10:13:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-21 10:13:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-21 10:13:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-21 10:13:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 10:13:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-21 10:13:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-21 10:13:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 10:13:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 10:13:51,226 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 10:13:51,228 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 10:13:51,461 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 10:13:51,510 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 10:13:51,511 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-21 10:13:51,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:13:51 BoogieIcfgContainer [2023-12-21 10:13:51,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 10:13:51,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 10:13:51,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 10:13:51,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 10:13:51,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:13:50" (1/3) ... [2023-12-21 10:13:51,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295b12e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:13:51, skipping insertion in model container [2023-12-21 10:13:51,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:13:50" (2/3) ... [2023-12-21 10:13:51,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295b12e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:13:51, skipping insertion in model container [2023-12-21 10:13:51,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:13:51" (3/3) ... [2023-12-21 10:13:51,543 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2023-12-21 10:13:51,557 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 10:13:51,557 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 10:13:51,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 10:13:51,595 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@30cececd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 10:13:51,596 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 10:13:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 62 states have (on average 1.5) internal successors, (93), 73 states have internal predecessors, (93), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-21 10:13:51,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-21 10:13:51,611 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:51,611 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:51,612 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:51,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:51,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1707050728, now seen corresponding path program 1 times [2023-12-21 10:13:51,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:51,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259112642] [2023-12-21 10:13:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:51,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:51,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:13:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:51,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:51,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:51,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259112642] [2023-12-21 10:13:51,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259112642] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:51,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:51,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 10:13:51,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771025811] [2023-12-21 10:13:51,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:51,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 10:13:51,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:51,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 10:13:51,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 10:13:51,820 INFO L87 Difference]: Start difference. First operand has 93 states, 62 states have (on average 1.5) internal successors, (93), 73 states have internal predecessors, (93), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-21 10:13:51,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:51,878 INFO L93 Difference]: Finished difference Result 184 states and 263 transitions. [2023-12-21 10:13:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 10:13:51,881 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-21 10:13:51,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:51,887 INFO L225 Difference]: With dead ends: 184 [2023-12-21 10:13:51,887 INFO L226 Difference]: Without dead ends: 88 [2023-12-21 10:13:51,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 10:13:51,894 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:51,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:51,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-21 10:13:51,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-12-21 10:13:51,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 69 states have internal predecessors, (83), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-21 10:13:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2023-12-21 10:13:51,933 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 22 [2023-12-21 10:13:51,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:51,933 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2023-12-21 10:13:51,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-21 10:13:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2023-12-21 10:13:51,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-21 10:13:51,938 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:51,938 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:51,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 10:13:51,938 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:51,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:51,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1331224265, now seen corresponding path program 1 times [2023-12-21 10:13:51,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:51,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384199919] [2023-12-21 10:13:51,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:51,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:13:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-21 10:13:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:52,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:52,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384199919] [2023-12-21 10:13:52,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384199919] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:52,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:52,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 10:13:52,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701589380] [2023-12-21 10:13:52,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:52,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:13:52,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:52,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:13:52,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:13:52,025 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-21 10:13:52,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:52,070 INFO L93 Difference]: Finished difference Result 146 states and 198 transitions. [2023-12-21 10:13:52,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:13:52,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-21 10:13:52,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:52,073 INFO L225 Difference]: With dead ends: 146 [2023-12-21 10:13:52,073 INFO L226 Difference]: Without dead ends: 80 [2023-12-21 10:13:52,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 10:13:52,075 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 14 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:52,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 172 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:52,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-21 10:13:52,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-12-21 10:13:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 64 states have internal predecessors, (77), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-21 10:13:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2023-12-21 10:13:52,083 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 23 [2023-12-21 10:13:52,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:52,083 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2023-12-21 10:13:52,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-21 10:13:52,083 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2023-12-21 10:13:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-21 10:13:52,084 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:52,084 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:52,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 10:13:52,085 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:52,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:52,085 INFO L85 PathProgramCache]: Analyzing trace with hash 2038534613, now seen corresponding path program 1 times [2023-12-21 10:13:52,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:52,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015829712] [2023-12-21 10:13:52,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:52,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 10:13:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:52,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:52,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015829712] [2023-12-21 10:13:52,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015829712] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:52,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:52,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 10:13:52,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661559427] [2023-12-21 10:13:52,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:52,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 10:13:52,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:52,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 10:13:52,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 10:13:52,160 INFO L87 Difference]: Start difference. First operand 80 states and 109 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-21 10:13:52,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:52,239 INFO L93 Difference]: Finished difference Result 199 states and 272 transitions. [2023-12-21 10:13:52,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 10:13:52,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-21 10:13:52,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:52,241 INFO L225 Difference]: With dead ends: 199 [2023-12-21 10:13:52,241 INFO L226 Difference]: Without dead ends: 121 [2023-12-21 10:13:52,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 10:13:52,242 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 129 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:52,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 231 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:52,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-21 10:13:52,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2023-12-21 10:13:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 94 states have internal predecessors, (116), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (23), 16 states have call predecessors, (23), 22 states have call successors, (23) [2023-12-21 10:13:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 161 transitions. [2023-12-21 10:13:52,255 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 161 transitions. Word has length 26 [2023-12-21 10:13:52,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:52,255 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 161 transitions. [2023-12-21 10:13:52,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-21 10:13:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 161 transitions. [2023-12-21 10:13:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-21 10:13:52,257 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:52,257 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:52,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 10:13:52,257 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:52,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:52,258 INFO L85 PathProgramCache]: Analyzing trace with hash 17155639, now seen corresponding path program 1 times [2023-12-21 10:13:52,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:52,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819457935] [2023-12-21 10:13:52,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:52,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 10:13:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-21 10:13:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-21 10:13:52,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:52,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819457935] [2023-12-21 10:13:52,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819457935] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:52,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:52,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 10:13:52,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026214584] [2023-12-21 10:13:52,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:52,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 10:13:52,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:52,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 10:13:52,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 10:13:52,374 INFO L87 Difference]: Start difference. First operand 118 states and 161 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-21 10:13:52,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:52,519 INFO L93 Difference]: Finished difference Result 278 states and 386 transitions. [2023-12-21 10:13:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 10:13:52,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-21 10:13:52,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:52,526 INFO L225 Difference]: With dead ends: 278 [2023-12-21 10:13:52,526 INFO L226 Difference]: Without dead ends: 162 [2023-12-21 10:13:52,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-21 10:13:52,536 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 58 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:52,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 398 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 10:13:52,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-12-21 10:13:52,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 158. [2023-12-21 10:13:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 110 states have (on average 1.3363636363636364) internal successors, (147), 122 states have internal predecessors, (147), 26 states have call successors, (26), 21 states have call predecessors, (26), 21 states have return successors, (34), 24 states have call predecessors, (34), 26 states have call successors, (34) [2023-12-21 10:13:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2023-12-21 10:13:52,564 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 29 [2023-12-21 10:13:52,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:52,565 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2023-12-21 10:13:52,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-21 10:13:52,565 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2023-12-21 10:13:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-21 10:13:52,571 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:52,571 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:52,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-21 10:13:52,571 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:52,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:52,572 INFO L85 PathProgramCache]: Analyzing trace with hash 488870070, now seen corresponding path program 1 times [2023-12-21 10:13:52,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:52,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007541725] [2023-12-21 10:13:52,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:52,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 10:13:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 10:13:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:52,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:52,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007541725] [2023-12-21 10:13:52,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007541725] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:52,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:52,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 10:13:52,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942300313] [2023-12-21 10:13:52,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:52,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 10:13:52,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:52,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 10:13:52,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 10:13:52,711 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-21 10:13:52,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:52,846 INFO L93 Difference]: Finished difference Result 343 states and 462 transitions. [2023-12-21 10:13:52,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 10:13:52,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-12-21 10:13:52,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:52,855 INFO L225 Difference]: With dead ends: 343 [2023-12-21 10:13:52,855 INFO L226 Difference]: Without dead ends: 187 [2023-12-21 10:13:52,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:13:52,860 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 63 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:52,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 241 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 10:13:52,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-12-21 10:13:52,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 183. [2023-12-21 10:13:52,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 128 states have (on average 1.3203125) internal successors, (169), 140 states have internal predecessors, (169), 28 states have call successors, (28), 21 states have call predecessors, (28), 26 states have return successors, (41), 30 states have call predecessors, (41), 28 states have call successors, (41) [2023-12-21 10:13:52,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 238 transitions. [2023-12-21 10:13:52,876 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 238 transitions. Word has length 49 [2023-12-21 10:13:52,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:52,877 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 238 transitions. [2023-12-21 10:13:52,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-21 10:13:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 238 transitions. [2023-12-21 10:13:52,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-21 10:13:52,878 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:52,878 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:52,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-21 10:13:52,878 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:52,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:52,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1316568264, now seen corresponding path program 1 times [2023-12-21 10:13:52,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:52,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120400735] [2023-12-21 10:13:52,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:52,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 10:13:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 10:13:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:52,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:52,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120400735] [2023-12-21 10:13:52,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120400735] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:52,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:52,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 10:13:52,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453663950] [2023-12-21 10:13:52,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:52,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 10:13:52,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:52,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 10:13:52,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 10:13:52,977 INFO L87 Difference]: Start difference. First operand 183 states and 238 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-21 10:13:53,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:53,122 INFO L93 Difference]: Finished difference Result 373 states and 499 transitions. [2023-12-21 10:13:53,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 10:13:53,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-12-21 10:13:53,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:53,125 INFO L225 Difference]: With dead ends: 373 [2023-12-21 10:13:53,125 INFO L226 Difference]: Without dead ends: 192 [2023-12-21 10:13:53,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:13:53,127 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 69 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:53,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 240 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 10:13:53,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-12-21 10:13:53,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 185. [2023-12-21 10:13:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 130 states have (on average 1.3153846153846154) internal successors, (171), 142 states have internal predecessors, (171), 28 states have call successors, (28), 21 states have call predecessors, (28), 26 states have return successors, (41), 30 states have call predecessors, (41), 28 states have call successors, (41) [2023-12-21 10:13:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 240 transitions. [2023-12-21 10:13:53,157 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 240 transitions. Word has length 49 [2023-12-21 10:13:53,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:53,157 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 240 transitions. [2023-12-21 10:13:53,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-21 10:13:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 240 transitions. [2023-12-21 10:13:53,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-21 10:13:53,158 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:53,158 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:53,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-21 10:13:53,158 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:53,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:53,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1176019654, now seen corresponding path program 1 times [2023-12-21 10:13:53,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:53,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190253155] [2023-12-21 10:13:53,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:53,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 10:13:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 10:13:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 10:13:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:53,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:53,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190253155] [2023-12-21 10:13:53,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190253155] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:53,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:53,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 10:13:53,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519885510] [2023-12-21 10:13:53,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:53,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 10:13:53,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:53,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 10:13:53,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 10:13:53,234 INFO L87 Difference]: Start difference. First operand 185 states and 240 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-12-21 10:13:53,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:53,458 INFO L93 Difference]: Finished difference Result 560 states and 758 transitions. [2023-12-21 10:13:53,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 10:13:53,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2023-12-21 10:13:53,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:53,461 INFO L225 Difference]: With dead ends: 560 [2023-12-21 10:13:53,461 INFO L226 Difference]: Without dead ends: 377 [2023-12-21 10:13:53,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-21 10:13:53,462 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 221 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:53,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 253 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 10:13:53,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-12-21 10:13:53,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 375. [2023-12-21 10:13:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 265 states have (on average 1.2792452830188679) internal successors, (339), 285 states have internal predecessors, (339), 59 states have call successors, (59), 48 states have call predecessors, (59), 50 states have return successors, (92), 59 states have call predecessors, (92), 59 states have call successors, (92) [2023-12-21 10:13:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 490 transitions. [2023-12-21 10:13:53,488 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 490 transitions. Word has length 49 [2023-12-21 10:13:53,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:53,489 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 490 transitions. [2023-12-21 10:13:53,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-12-21 10:13:53,489 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 490 transitions. [2023-12-21 10:13:53,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-21 10:13:53,492 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:53,494 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:53,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-21 10:13:53,495 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:53,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:53,495 INFO L85 PathProgramCache]: Analyzing trace with hash -986343276, now seen corresponding path program 1 times [2023-12-21 10:13:53,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:53,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116759213] [2023-12-21 10:13:53,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:53,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:13:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:13:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-21 10:13:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 10:13:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 10:13:53,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:53,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116759213] [2023-12-21 10:13:53,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116759213] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:53,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 10:13:53,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 10:13:53,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021472451] [2023-12-21 10:13:53,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:53,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 10:13:53,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:53,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 10:13:53,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-21 10:13:53,695 INFO L87 Difference]: Start difference. First operand 375 states and 490 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-12-21 10:13:54,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:54,287 INFO L93 Difference]: Finished difference Result 1114 states and 1507 transitions. [2023-12-21 10:13:54,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-21 10:13:54,287 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 53 [2023-12-21 10:13:54,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:54,290 INFO L225 Difference]: With dead ends: 1114 [2023-12-21 10:13:54,290 INFO L226 Difference]: Without dead ends: 821 [2023-12-21 10:13:54,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2023-12-21 10:13:54,292 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 482 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:54,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 342 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-21 10:13:54,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2023-12-21 10:13:54,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 695. [2023-12-21 10:13:54,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 490 states have (on average 1.2755102040816326) internal successors, (625), 531 states have internal predecessors, (625), 109 states have call successors, (109), 83 states have call predecessors, (109), 95 states have return successors, (169), 110 states have call predecessors, (169), 109 states have call successors, (169) [2023-12-21 10:13:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 903 transitions. [2023-12-21 10:13:54,331 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 903 transitions. Word has length 53 [2023-12-21 10:13:54,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:54,332 INFO L495 AbstractCegarLoop]: Abstraction has 695 states and 903 transitions. [2023-12-21 10:13:54,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-12-21 10:13:54,332 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 903 transitions. [2023-12-21 10:13:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-21 10:13:54,334 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:54,334 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:54,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-21 10:13:54,334 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:54,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:54,334 INFO L85 PathProgramCache]: Analyzing trace with hash 205241619, now seen corresponding path program 1 times [2023-12-21 10:13:54,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:54,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543582261] [2023-12-21 10:13:54,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:54,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:13:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:13:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:13:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:13:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 10:13:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 10:13:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 10:13:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:13:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 10:13:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,518 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-21 10:13:54,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:54,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543582261] [2023-12-21 10:13:54,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543582261] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:13:54,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574884232] [2023-12-21 10:13:54,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:54,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:13:54,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:13:54,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 10:13:54,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 10:13:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:54,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-21 10:13:54,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:13:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 10:13:54,809 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 10:13:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-21 10:13:54,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574884232] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 10:13:54,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 10:13:54,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-12-21 10:13:54,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006423297] [2023-12-21 10:13:54,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 10:13:54,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-21 10:13:54,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:54,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-21 10:13:54,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-12-21 10:13:54,969 INFO L87 Difference]: Start difference. First operand 695 states and 903 transitions. Second operand has 15 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) [2023-12-21 10:13:55,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:55,924 INFO L93 Difference]: Finished difference Result 1578 states and 2146 transitions. [2023-12-21 10:13:55,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-21 10:13:55,925 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) Word has length 97 [2023-12-21 10:13:55,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:55,930 INFO L225 Difference]: With dead ends: 1578 [2023-12-21 10:13:55,930 INFO L226 Difference]: Without dead ends: 961 [2023-12-21 10:13:55,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 224 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=403, Invalid=1853, Unknown=0, NotChecked=0, Total=2256 [2023-12-21 10:13:55,933 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 375 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:55,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 866 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 10:13:55,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2023-12-21 10:13:55,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 778. [2023-12-21 10:13:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 541 states have (on average 1.2458410351201479) internal successors, (674), 594 states have internal predecessors, (674), 126 states have call successors, (126), 104 states have call predecessors, (126), 110 states have return successors, (178), 116 states have call predecessors, (178), 126 states have call successors, (178) [2023-12-21 10:13:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 978 transitions. [2023-12-21 10:13:55,981 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 978 transitions. Word has length 97 [2023-12-21 10:13:55,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:55,981 INFO L495 AbstractCegarLoop]: Abstraction has 778 states and 978 transitions. [2023-12-21 10:13:55,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) [2023-12-21 10:13:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 978 transitions. [2023-12-21 10:13:55,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-21 10:13:55,984 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:55,985 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:56,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-21 10:13:56,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:13:56,191 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:56,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:56,192 INFO L85 PathProgramCache]: Analyzing trace with hash 657996977, now seen corresponding path program 1 times [2023-12-21 10:13:56,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:56,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823647870] [2023-12-21 10:13:56,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:56,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:13:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:13:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:13:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:13:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:13:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:13:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:13:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:13:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:13:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 10:13:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:13:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:13:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:13:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-21 10:13:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-21 10:13:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 10:13:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 10:13:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 67 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-12-21 10:13:56,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:56,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823647870] [2023-12-21 10:13:56,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823647870] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:13:56,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103650055] [2023-12-21 10:13:56,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:56,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:13:56,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:13:56,414 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 10:13:56,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 10:13:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:56,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-21 10:13:56,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:13:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-21 10:13:56,633 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 10:13:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 67 proven. 34 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-12-21 10:13:56,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103650055] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 10:13:56,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 10:13:56,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 23 [2023-12-21 10:13:56,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858884987] [2023-12-21 10:13:56,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 10:13:56,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-21 10:13:56,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:56,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-21 10:13:56,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2023-12-21 10:13:56,895 INFO L87 Difference]: Start difference. First operand 778 states and 978 transitions. Second operand has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2023-12-21 10:13:58,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:58,542 INFO L93 Difference]: Finished difference Result 2393 states and 3161 transitions. [2023-12-21 10:13:58,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-21 10:13:58,543 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 174 [2023-12-21 10:13:58,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:58,549 INFO L225 Difference]: With dead ends: 2393 [2023-12-21 10:13:58,549 INFO L226 Difference]: Without dead ends: 1617 [2023-12-21 10:13:58,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 389 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=855, Invalid=3701, Unknown=0, NotChecked=0, Total=4556 [2023-12-21 10:13:58,553 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 1423 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1909 mSolverCounterSat, 713 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1423 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 2622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 713 IncrementalHoareTripleChecker+Valid, 1909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:58,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1423 Valid, 765 Invalid, 2622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [713 Valid, 1909 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-21 10:13:58,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2023-12-21 10:13:58,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1583. [2023-12-21 10:13:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1112 states have (on average 1.185251798561151) internal successors, (1318), 1202 states have internal predecessors, (1318), 256 states have call successors, (256), 219 states have call predecessors, (256), 214 states have return successors, (342), 228 states have call predecessors, (342), 256 states have call successors, (342) [2023-12-21 10:13:58,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 1916 transitions. [2023-12-21 10:13:58,626 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 1916 transitions. Word has length 174 [2023-12-21 10:13:58,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:58,627 INFO L495 AbstractCegarLoop]: Abstraction has 1583 states and 1916 transitions. [2023-12-21 10:13:58,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2023-12-21 10:13:58,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1916 transitions. [2023-12-21 10:13:58,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-12-21 10:13:58,631 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:58,631 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:58,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 10:13:58,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-21 10:13:58,837 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:58,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:58,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1273784511, now seen corresponding path program 1 times [2023-12-21 10:13:58,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:58,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146822329] [2023-12-21 10:13:58,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:58,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:13:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:13:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:13:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:13:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:13:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:13:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:13:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:13:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:13:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-21 10:13:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 10:13:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 10:13:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:13:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:13:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:13:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:13:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-21 10:13:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-21 10:13:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-21 10:13:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-21 10:13:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 81 proven. 40 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-21 10:13:59,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:59,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146822329] [2023-12-21 10:13:59,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146822329] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:13:59,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243416847] [2023-12-21 10:13:59,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:59,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:13:59,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:13:59,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 10:13:59,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 10:13:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 10:13:59,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:13:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-21 10:13:59,280 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 10:13:59,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243416847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 10:13:59,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 10:13:59,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2023-12-21 10:13:59,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485659110] [2023-12-21 10:13:59,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 10:13:59,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 10:13:59,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:13:59,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 10:13:59,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-12-21 10:13:59,282 INFO L87 Difference]: Start difference. First operand 1583 states and 1916 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-21 10:13:59,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:13:59,366 INFO L93 Difference]: Finished difference Result 3188 states and 3854 transitions. [2023-12-21 10:13:59,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 10:13:59,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 191 [2023-12-21 10:13:59,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:13:59,373 INFO L225 Difference]: With dead ends: 3188 [2023-12-21 10:13:59,374 INFO L226 Difference]: Without dead ends: 1607 [2023-12-21 10:13:59,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-12-21 10:13:59,378 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 32 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 10:13:59,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 212 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 10:13:59,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2023-12-21 10:13:59,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1583. [2023-12-21 10:13:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1112 states have (on average 1.1744604316546763) internal successors, (1306), 1202 states have internal predecessors, (1306), 256 states have call successors, (256), 219 states have call predecessors, (256), 214 states have return successors, (300), 228 states have call predecessors, (300), 256 states have call successors, (300) [2023-12-21 10:13:59,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 1862 transitions. [2023-12-21 10:13:59,490 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 1862 transitions. Word has length 191 [2023-12-21 10:13:59,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:13:59,490 INFO L495 AbstractCegarLoop]: Abstraction has 1583 states and 1862 transitions. [2023-12-21 10:13:59,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-21 10:13:59,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1862 transitions. [2023-12-21 10:13:59,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-21 10:13:59,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:13:59,494 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:13:59,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-21 10:13:59,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:13:59,700 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:13:59,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:13:59,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1726904015, now seen corresponding path program 1 times [2023-12-21 10:13:59,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:13:59,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633089231] [2023-12-21 10:13:59,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:59,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:13:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:13:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:13:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:13:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:13:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:13:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:13:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:13:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:13:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:13:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-21 10:13:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 10:13:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 10:13:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:13:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:13:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:13:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:13:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-21 10:13:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-21 10:13:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-21 10:13:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:13:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:13:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-12-21 10:13:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:13:59,958 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 81 proven. 40 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-21 10:13:59,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:13:59,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633089231] [2023-12-21 10:13:59,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633089231] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:13:59,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536649985] [2023-12-21 10:13:59,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:13:59,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:13:59,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:13:59,959 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 10:13:59,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 10:14:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:00,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-21 10:14:00,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:14:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 166 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-21 10:14:00,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 10:14:00,594 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 87 proven. 50 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-21 10:14:00,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536649985] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 10:14:00,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 10:14:00,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2023-12-21 10:14:00,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455145519] [2023-12-21 10:14:00,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 10:14:00,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-21 10:14:00,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:14:00,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-21 10:14:00,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2023-12-21 10:14:00,598 INFO L87 Difference]: Start difference. First operand 1583 states and 1862 transitions. Second operand has 22 states, 19 states have (on average 10.421052631578947) internal successors, (198), 15 states have internal predecessors, (198), 6 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (47), 9 states have call predecessors, (47), 6 states have call successors, (47) [2023-12-21 10:14:01,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:14:01,902 INFO L93 Difference]: Finished difference Result 3094 states and 3660 transitions. [2023-12-21 10:14:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-21 10:14:01,903 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 10.421052631578947) internal successors, (198), 15 states have internal predecessors, (198), 6 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (47), 9 states have call predecessors, (47), 6 states have call successors, (47) Word has length 188 [2023-12-21 10:14:01,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:14:01,908 INFO L225 Difference]: With dead ends: 3094 [2023-12-21 10:14:01,908 INFO L226 Difference]: Without dead ends: 1665 [2023-12-21 10:14:01,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 431 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=399, Invalid=1763, Unknown=0, NotChecked=0, Total=2162 [2023-12-21 10:14:01,911 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 417 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-21 10:14:01,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 311 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1934 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-21 10:14:01,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2023-12-21 10:14:01,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1531. [2023-12-21 10:14:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1078 states have (on average 1.1697588126159555) internal successors, (1261), 1158 states have internal predecessors, (1261), 234 states have call successors, (234), 215 states have call predecessors, (234), 218 states have return successors, (278), 222 states have call predecessors, (278), 234 states have call successors, (278) [2023-12-21 10:14:01,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1773 transitions. [2023-12-21 10:14:01,985 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1773 transitions. Word has length 188 [2023-12-21 10:14:01,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:14:01,985 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 1773 transitions. [2023-12-21 10:14:01,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 10.421052631578947) internal successors, (198), 15 states have internal predecessors, (198), 6 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (47), 9 states have call predecessors, (47), 6 states have call successors, (47) [2023-12-21 10:14:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1773 transitions. [2023-12-21 10:14:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-21 10:14:01,989 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:14:01,989 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:14:02,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-21 10:14:02,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:14:02,196 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:14:02,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:14:02,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1959727266, now seen corresponding path program 1 times [2023-12-21 10:14:02,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:14:02,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378553329] [2023-12-21 10:14:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:14:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:14:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:14:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:14:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:14:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:14:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:14:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:14:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:14:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:14:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:14:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:14:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:14:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:14:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-21 10:14:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-21 10:14:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 10:14:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:14:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:14:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:14:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:14:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 10:14:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-21 10:14:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-21 10:14:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:14:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:14:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-12-21 10:14:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 74 proven. 3 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2023-12-21 10:14:02,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:14:02,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378553329] [2023-12-21 10:14:02,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378553329] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:14:02,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666268308] [2023-12-21 10:14:02,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:14:02,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:14:02,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:14:02,463 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 10:14:02,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-21 10:14:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:02,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-21 10:14:02,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:14:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 117 proven. 22 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-12-21 10:14:02,745 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 10:14:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 89 proven. 38 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-12-21 10:14:03,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666268308] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 10:14:03,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 10:14:03,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 13] total 27 [2023-12-21 10:14:03,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866218821] [2023-12-21 10:14:03,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 10:14:03,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-21 10:14:03,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:14:03,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-21 10:14:03,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2023-12-21 10:14:03,244 INFO L87 Difference]: Start difference. First operand 1531 states and 1773 transitions. Second operand has 27 states, 26 states have (on average 8.192307692307692) internal successors, (213), 21 states have internal predecessors, (213), 13 states have call successors, (55), 12 states have call predecessors, (55), 15 states have return successors, (56), 15 states have call predecessors, (56), 13 states have call successors, (56) [2023-12-21 10:14:05,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:14:05,987 INFO L93 Difference]: Finished difference Result 3454 states and 4058 transitions. [2023-12-21 10:14:05,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-12-21 10:14:05,988 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.192307692307692) internal successors, (213), 21 states have internal predecessors, (213), 13 states have call successors, (55), 12 states have call predecessors, (55), 15 states have return successors, (56), 15 states have call predecessors, (56), 13 states have call successors, (56) Word has length 189 [2023-12-21 10:14:05,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:14:05,994 INFO L225 Difference]: With dead ends: 3454 [2023-12-21 10:14:05,994 INFO L226 Difference]: Without dead ends: 2085 [2023-12-21 10:14:05,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 434 SyntacticMatches, 7 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2091 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1361, Invalid=6121, Unknown=0, NotChecked=0, Total=7482 [2023-12-21 10:14:05,999 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 1554 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 4483 mSolverCounterSat, 780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 5263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 4483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-21 10:14:06,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 1002 Invalid, 5263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [780 Valid, 4483 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-21 10:14:06,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2023-12-21 10:14:06,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 1895. [2023-12-21 10:14:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1895 states, 1337 states have (on average 1.169035153328347) internal successors, (1563), 1424 states have internal predecessors, (1563), 293 states have call successors, (293), 270 states have call predecessors, (293), 264 states have return successors, (332), 272 states have call predecessors, (332), 293 states have call successors, (332) [2023-12-21 10:14:06,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2188 transitions. [2023-12-21 10:14:06,125 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2188 transitions. Word has length 189 [2023-12-21 10:14:06,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:14:06,125 INFO L495 AbstractCegarLoop]: Abstraction has 1895 states and 2188 transitions. [2023-12-21 10:14:06,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.192307692307692) internal successors, (213), 21 states have internal predecessors, (213), 13 states have call successors, (55), 12 states have call predecessors, (55), 15 states have return successors, (56), 15 states have call predecessors, (56), 13 states have call successors, (56) [2023-12-21 10:14:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2188 transitions. [2023-12-21 10:14:06,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-21 10:14:06,129 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 10:14:06,129 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:14:06,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-21 10:14:06,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-21 10:14:06,335 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 10:14:06,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 10:14:06,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1136047169, now seen corresponding path program 1 times [2023-12-21 10:14:06,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 10:14:06,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025751030] [2023-12-21 10:14:06,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:14:06,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 10:14:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:14:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 10:14:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:14:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 10:14:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:14:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:14:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 10:14:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:14:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:14:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:14:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 10:14:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:14:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-21 10:14:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-21 10:14:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 10:14:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:14:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-21 10:14:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 10:14:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 10:14:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 10:14:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-21 10:14:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-21 10:14:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 10:14:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-12-21 10:14:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-12-21 10:14:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-12-21 10:14:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 10:14:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 10:14:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-21 10:14:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 91 proven. 26 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-12-21 10:14:06,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 10:14:06,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025751030] [2023-12-21 10:14:06,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025751030] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 10:14:06,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147078357] [2023-12-21 10:14:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 10:14:06,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:14:06,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 10:14:06,666 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 10:14:06,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-21 10:14:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 10:14:06,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-21 10:14:06,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 10:14:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 188 proven. 13 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-12-21 10:14:07,017 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 10:14:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 118 proven. 63 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-12-21 10:14:07,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147078357] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 10:14:07,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 10:14:07,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 14] total 28 [2023-12-21 10:14:07,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574971710] [2023-12-21 10:14:07,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 10:14:07,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-21 10:14:07,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 10:14:07,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-21 10:14:07,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2023-12-21 10:14:07,497 INFO L87 Difference]: Start difference. First operand 1895 states and 2188 transitions. Second operand has 28 states, 28 states have (on average 8.178571428571429) internal successors, (229), 23 states have internal predecessors, (229), 13 states have call successors, (54), 11 states have call predecessors, (54), 15 states have return successors, (56), 13 states have call predecessors, (56), 13 states have call successors, (56) [2023-12-21 10:14:08,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 10:14:08,893 INFO L93 Difference]: Finished difference Result 3412 states and 4026 transitions. [2023-12-21 10:14:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-21 10:14:08,894 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 8.178571428571429) internal successors, (229), 23 states have internal predecessors, (229), 13 states have call successors, (54), 11 states have call predecessors, (54), 15 states have return successors, (56), 13 states have call predecessors, (56), 13 states have call successors, (56) Word has length 219 [2023-12-21 10:14:08,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 10:14:08,895 INFO L225 Difference]: With dead ends: 3412 [2023-12-21 10:14:08,895 INFO L226 Difference]: Without dead ends: 0 [2023-12-21 10:14:08,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 480 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=909, Invalid=3123, Unknown=0, NotChecked=0, Total=4032 [2023-12-21 10:14:08,913 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 850 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 2985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 2602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-21 10:14:08,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 492 Invalid, 2985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 2602 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-21 10:14:08,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-21 10:14:08,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-21 10:14:08,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 10:14:08,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-21 10:14:08,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2023-12-21 10:14:08,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 10:14:08,915 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-21 10:14:08,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 8.178571428571429) internal successors, (229), 23 states have internal predecessors, (229), 13 states have call successors, (54), 11 states have call predecessors, (54), 15 states have return successors, (56), 13 states have call predecessors, (56), 13 states have call successors, (56) [2023-12-21 10:14:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-21 10:14:08,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-21 10:14:08,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 10:14:08,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-21 10:14:09,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 10:14:09,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-21 10:14:19,172 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 325 332) no Hoare annotation was computed. [2023-12-21 10:14:19,173 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 325 332) the Hoare annotation is: (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (< ~switchedOnBeforeTS~0 1)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 2 ~waterLevel~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse2 .cse3) (or .cse0 .cse1 .cse7 .cse2 .cse3))) [2023-12-21 10:14:19,173 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 215 221) no Hoare annotation was computed. [2023-12-21 10:14:19,173 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 215 221) the Hoare annotation is: true [2023-12-21 10:14:19,173 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 421) no Hoare annotation was computed. [2023-12-21 10:14:19,173 INFO L899 garLoopResultBuilder]: For program point L417-2(lines 417 421) no Hoare annotation was computed. [2023-12-21 10:14:19,174 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 273) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1) .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse4 .cse6))) [2023-12-21 10:14:19,174 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: (let ((.cse4 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 2 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (< ~switchedOnBeforeTS~0 1) .cse2 (< |old(~pumpRunning~0)| 1) .cse3) (or .cse0 .cse1 .cse3 .cse5))) [2023-12-21 10:14:19,176 INFO L895 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: (let ((.cse4 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 2 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (< ~switchedOnBeforeTS~0 1) .cse2 (< |old(~pumpRunning~0)| 1) .cse3) (or .cse0 .cse1 .cse3 .cse5))) [2023-12-21 10:14:19,176 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 265) no Hoare annotation was computed. [2023-12-21 10:14:19,177 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 270) no Hoare annotation was computed. [2023-12-21 10:14:19,177 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse5 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1) .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse4 .cse6))) [2023-12-21 10:14:19,177 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 249 273) no Hoare annotation was computed. [2023-12-21 10:14:19,177 INFO L899 garLoopResultBuilder]: For program point L268-1(lines 249 273) no Hoare annotation was computed. [2023-12-21 10:14:19,177 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 344 352) no Hoare annotation was computed. [2023-12-21 10:14:19,177 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 344 352) the Hoare annotation is: true [2023-12-21 10:14:19,177 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2023-12-21 10:14:19,177 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 477 488) the Hoare annotation is: (let ((.cse6 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse5 (< 2 ~waterLevel~0)) (.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (< |old(~methaneLevelCritical~0)| 1)) (or .cse1 .cse6 .cse2 (< 1 ~waterLevel~0)) (or .cse1 .cse6 .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) .cse4))) [2023-12-21 10:14:19,177 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2023-12-21 10:14:19,177 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-12-21 10:14:19,177 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2023-12-21 10:14:19,177 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 573) no Hoare annotation was computed. [2023-12-21 10:14:19,177 INFO L902 garLoopResultBuilder]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2023-12-21 10:14:19,177 INFO L902 garLoopResultBuilder]: At program point L565-2(lines 565 579) the Hoare annotation is: true [2023-12-21 10:14:19,178 INFO L902 garLoopResultBuilder]: At program point L561(line 561) the Hoare annotation is: true [2023-12-21 10:14:19,178 INFO L899 garLoopResultBuilder]: For program point L561-1(line 561) no Hoare annotation was computed. [2023-12-21 10:14:19,178 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 555 584) the Hoare annotation is: true [2023-12-21 10:14:19,178 INFO L899 garLoopResultBuilder]: For program point L580(lines 555 584) no Hoare annotation was computed. [2023-12-21 10:14:19,178 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 291) no Hoare annotation was computed. [2023-12-21 10:14:19,178 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 296) no Hoare annotation was computed. [2023-12-21 10:14:19,178 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-12-21 10:14:19,178 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 461) no Hoare annotation was computed. [2023-12-21 10:14:19,178 INFO L899 garLoopResultBuilder]: For program point L457-2(lines 453 464) no Hoare annotation was computed. [2023-12-21 10:14:19,179 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse20 (= ~methaneLevelCritical~0 0)) (.cse23 (<= ~waterLevel~0 0)) (.cse22 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse21 (= ~pumpRunning~0 0)) (.cse17 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse1 (= ~waterLevel~0 1)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse24 (not .cse7))) (let ((.cse3 (and .cse21 .cse17 .cse1 .cse2 .cse24)) (.cse14 (and .cse21 .cse17 .cse18 .cse2 .cse24)) (.cse11 (and .cse21 .cse17 .cse23 .cse22 .cse2)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse13 (< 2 |old(~waterLevel~0)|)) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse15 (and .cse21 .cse17 .cse20 .cse23 .cse22 .cse2)) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse16 (and (<= 1 ~pumpRunning~0) .cse0 .cse17 .cse20 .cse23 .cse22 .cse2)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse19 (and .cse21 .cse17 .cse22)) (.cse4 (not .cse20))) (and (or (and .cse0 .cse1 .cse2 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 1)) .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse5 .cse9) (or .cse3 .cse5 .cse6 .cse7 .cse9) (or .cse10 .cse11 .cse12 .cse6 .cse7 .cse13 .cse9) (or .cse14 .cse10 .cse15 .cse4 .cse6 .cse7 .cse13 .cse16 (and .cse0 .cse17 .cse18 .cse2)) (or .cse14 .cse10 .cse11 .cse6 .cse7 .cse13 .cse9) (or .cse8 .cse4 .cse5) (or .cse8 .cse19 .cse13 .cse9) (or .cse10 .cse15 .cse12 .cse4 .cse6 .cse7 .cse16) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse19 .cse4))))) [2023-12-21 10:14:19,179 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-12-21 10:14:19,179 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 202 208) no Hoare annotation was computed. [2023-12-21 10:14:19,179 INFO L895 garLoopResultBuilder]: At program point L289(line 289) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (and .cse4 .cse5 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (= 0 ~systemActive~0)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse11 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (< 1 |old(~waterLevel~0)|) .cse7 .cse0 .cse2 (and .cse4 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 .cse6) .cse3 .cse8) (or .cse7 (< 0 |old(~waterLevel~0)|) .cse0 .cse2 .cse3 .cse8) (or .cse9 .cse0 .cse10) (or .cse7 .cse2 .cse3 .cse10 .cse11) (or .cse1 .cse2 .cse3 .cse11) (or .cse9 .cse10 .cse11)))) [2023-12-21 10:14:19,180 INFO L895 garLoopResultBuilder]: At program point L285(line 285) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 (< 0 |old(~waterLevel~0)|) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9) (or .cse8 .cse10 .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse8 .cse4 .cse5) (or .cse10 (and .cse1 (= ~waterLevel~0 1) .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse7 .cse9 .cse6) (or (and .cse1 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) .cse0 .cse4 .cse5 .cse6))) [2023-12-21 10:14:19,180 INFO L895 garLoopResultBuilder]: At program point L281(line 281) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (< 0 |old(~waterLevel~0)|)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (and .cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse14)) (.cse5 (not .cse15)) (.cse11 (and .cse12 .cse15 (<= ~waterLevel~0 0) .cse13 .cse14)) (.cse6 (and .cse12 (= ~waterLevel~0 1) .cse14)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse3) (or .cse8 .cse5 .cse9) (or .cse0 .cse10 .cse5 .cse2 .cse3 .cse11) (or .cse8 .cse9 .cse4) (or (and .cse12 .cse13 .cse14) .cse0 .cse10 .cse2 .cse3 .cse4) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse5 .cse2 .cse3 .cse11) (or .cse6 .cse7 .cse2 .cse3 .cse4)))) [2023-12-21 10:14:19,180 INFO L899 garLoopResultBuilder]: For program point L281-1(line 281) no Hoare annotation was computed. [2023-12-21 10:14:19,180 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 188 214) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse3 (and .cse13 .cse11 .cse12)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (and .cse13 (= 2 ~waterLevel~0) .cse11)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse6 (and (= ~pumpRunning~0 0) .cse11 .cse12)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse6 .cse7 .cse8) (or .cse0 .cse8 .cse1 .cse2 .cse3 .cse4) (or .cse8 .cse9 .cse10 .cse1 .cse2) (or .cse9 .cse10 .cse1 .cse2 .cse5) (or .cse6 .cse7 .cse8 .cse10)))) [2023-12-21 10:14:19,180 INFO L895 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0)) (.cse9 (= 0 ~systemActive~0))) (let ((.cse6 (not .cse9)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse4 .cse5) (or .cse1 .cse3 .cse4 .cse6) (or .cse3 .cse10 .cse8 .cse9) (or .cse0 .cse7 .cse3 .cse8 .cse9) (or .cse10 .cse8 .cse9 .cse5) (or .cse1 (and .cse11 (= 2 ~waterLevel~0)) .cse3 .cse10) (or .cse1 .cse2 .cse4 .cse5)))) [2023-12-21 10:14:19,180 INFO L899 garLoopResultBuilder]: For program point L294-1(lines 275 299) no Hoare annotation was computed. [2023-12-21 10:14:19,180 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse3 (and .cse13 .cse11 .cse12)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (and .cse13 (= 2 ~waterLevel~0) .cse11)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse6 (and (= ~pumpRunning~0 0) .cse11 .cse12)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse6 .cse7 .cse8) (or .cse0 .cse8 .cse1 .cse2 .cse3 .cse4) (or .cse8 .cse9 .cse10 .cse1 .cse2) (or .cse9 .cse10 .cse1 .cse2 .cse5) (or .cse6 .cse7 .cse8 .cse10)))) [2023-12-21 10:14:19,180 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2023-12-21 10:14:19,181 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-12-21 10:14:19,181 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 191 213) no Hoare annotation was computed. [2023-12-21 10:14:19,181 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-12-21 10:14:19,181 INFO L899 garLoopResultBuilder]: For program point L658(line 658) no Hoare annotation was computed. [2023-12-21 10:14:19,181 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-12-21 10:14:19,181 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-12-21 10:14:19,181 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 188 214) no Hoare annotation was computed. [2023-12-21 10:14:19,181 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 658) no Hoare annotation was computed. [2023-12-21 10:14:19,181 INFO L895 garLoopResultBuilder]: At program point L168(lines 117 169) the Hoare annotation is: false [2023-12-21 10:14:19,182 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 162) no Hoare annotation was computed. [2023-12-21 10:14:19,182 INFO L895 garLoopResultBuilder]: At program point L156-2(lines 148 163) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse10 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (<= ~waterLevel~0 2)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not .cse9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse3 .cse4 .cse8 .cse11 .cse5) (and .cse0 .cse6 .cse10 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9) (and .cse7 .cse6 .cse3 .cse4 .cse8 .cse11 .cse5) (and .cse7 .cse2 .cse6 .cse3 .cse4 .cse5)))) [2023-12-21 10:14:19,182 INFO L899 garLoopResultBuilder]: For program point L119(lines 118 167) no Hoare annotation was computed. [2023-12-21 10:14:19,183 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 163) no Hoare annotation was computed. [2023-12-21 10:14:19,183 INFO L895 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse7 .cse5) (and .cse0 .cse8 .cse3 .cse4 .cse6 .cse7 .cse5) (and .cse0 .cse2 .cse8 .cse3 .cse4 .cse5))) [2023-12-21 10:14:19,183 INFO L895 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse5 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse6))) [2023-12-21 10:14:19,183 INFO L895 garLoopResultBuilder]: At program point L165(lines 118 167) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse6 .cse7 .cse5 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse8) (and .cse0 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse7 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse7 .cse3 .cse4 (<= ~waterLevel~0 0)) (and .cse6 .cse2 .cse7 .cse3 .cse4 .cse8))) [2023-12-21 10:14:19,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-21 10:14:19,183 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 647) no Hoare annotation was computed. [2023-12-21 10:14:19,184 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 134) no Hoare annotation was computed. [2023-12-21 10:14:19,184 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2023-12-21 10:14:19,184 INFO L899 garLoopResultBuilder]: For program point L640-2(lines 640 647) no Hoare annotation was computed. [2023-12-21 10:14:19,184 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-21 10:14:19,184 INFO L899 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2023-12-21 10:14:19,184 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 431 437) no Hoare annotation was computed. [2023-12-21 10:14:19,184 INFO L899 garLoopResultBuilder]: For program point L171(lines 108 175) no Hoare annotation was computed. [2023-12-21 10:14:19,184 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 144) no Hoare annotation was computed. [2023-12-21 10:14:19,184 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 138 144) no Hoare annotation was computed. [2023-12-21 10:14:19,184 INFO L895 garLoopResultBuilder]: At program point L130(line 130) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse6 .cse7 .cse5 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse8) (and .cse0 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse7 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse7 .cse3 .cse4 (<= ~waterLevel~0 0)) (and .cse6 .cse2 .cse7 .cse3 .cse4 .cse8))) [2023-12-21 10:14:19,184 INFO L895 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: (let ((.cse4 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 2 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (< ~switchedOnBeforeTS~0 1) .cse2 (< |old(~pumpRunning~0)| 1) .cse3) (or .cse0 .cse1 .cse3 .cse5))) [2023-12-21 10:14:19,184 INFO L899 garLoopResultBuilder]: For program point L242-1(lines 223 247) no Hoare annotation was computed. [2023-12-21 10:14:19,184 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 223 247) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1) .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse4 .cse6))) [2023-12-21 10:14:19,185 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 530 543) no Hoare annotation was computed. [2023-12-21 10:14:19,185 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 223 247) no Hoare annotation was computed. [2023-12-21 10:14:19,185 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 321) no Hoare annotation was computed. [2023-12-21 10:14:19,185 INFO L895 garLoopResultBuilder]: At program point L313(line 313) the Hoare annotation is: (let ((.cse5 (< 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 2 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4) (or .cse0 .cse5 .cse4 .cse6) (or .cse5 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1) .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse6))) [2023-12-21 10:14:19,185 INFO L899 garLoopResultBuilder]: For program point L315-2(lines 308 324) no Hoare annotation was computed. [2023-12-21 10:14:19,185 INFO L899 garLoopResultBuilder]: For program point L313-1(line 313) no Hoare annotation was computed. [2023-12-21 10:14:19,185 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 540) no Hoare annotation was computed. [2023-12-21 10:14:19,186 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 402) no Hoare annotation was computed. [2023-12-21 10:14:19,187 INFO L895 garLoopResultBuilder]: At program point L237(line 237) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse7 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (< 1 ~waterLevel~0)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse7)) (.cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0) .cse7 (not .cse3))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse3) (or .cse2 (< ~switchedOnBeforeTS~0 1) .cse5 (< |old(~pumpRunning~0)| 1) .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse6 .cse5 .cse3)))) [2023-12-21 10:14:19,187 INFO L899 garLoopResultBuilder]: For program point L398-2(lines 398 402) no Hoare annotation was computed. [2023-12-21 10:14:19,187 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 239) no Hoare annotation was computed. [2023-12-21 10:14:19,187 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 244) no Hoare annotation was computed. [2023-12-21 10:14:19,187 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2023-12-21 10:14:19,187 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 465 476) the Hoare annotation is: (let ((.cse9 (< ~methaneLevelCritical~0 1)) (.cse1 (< ~switchedOnBeforeTS~0 1)) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (= 2 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse4 (= 0 ~systemActive~0)) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (< 0 |old(~waterLevel~0)|) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7) (or .cse8 .cse5 .cse3 .cse9) (or .cse5 .cse6 .cse7 .cse9) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (or .cse0 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse5 .cse2 .cse3))) [2023-12-21 10:14:19,187 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2023-12-21 10:14:19,187 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 333 343) no Hoare annotation was computed. [2023-12-21 10:14:19,187 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 333 343) the Hoare annotation is: true [2023-12-21 10:14:19,189 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:14:19,190 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 10:14:19,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:14:19 BoogieIcfgContainer [2023-12-21 10:14:19,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 10:14:19,201 INFO L158 Benchmark]: Toolchain (without parser) took 28687.22ms. Allocated memory was 183.5MB in the beginning and 742.4MB in the end (delta: 558.9MB). Free memory was 123.7MB in the beginning and 498.0MB in the end (delta: -374.3MB). Peak memory consumption was 430.8MB. Max. memory is 8.0GB. [2023-12-21 10:14:19,202 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 183.5MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 10:14:19,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.00ms. Allocated memory is still 183.5MB. Free memory was 123.7MB in the beginning and 103.2MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-21 10:14:19,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.27ms. Allocated memory is still 183.5MB. Free memory was 103.2MB in the beginning and 100.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 10:14:19,203 INFO L158 Benchmark]: Boogie Preprocessor took 72.66ms. Allocated memory is still 183.5MB. Free memory was 100.7MB in the beginning and 98.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 10:14:19,203 INFO L158 Benchmark]: RCFGBuilder took 433.95ms. Allocated memory is still 183.5MB. Free memory was 98.3MB in the beginning and 73.8MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-21 10:14:19,204 INFO L158 Benchmark]: TraceAbstraction took 27688.68ms. Allocated memory was 183.5MB in the beginning and 742.4MB in the end (delta: 558.9MB). Free memory was 73.4MB in the beginning and 498.0MB in the end (delta: -424.6MB). Peak memory consumption was 380.4MB. Max. memory is 8.0GB. [2023-12-21 10:14:19,205 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 183.5MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 422.00ms. Allocated memory is still 183.5MB. Free memory was 123.7MB in the beginning and 103.2MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.27ms. Allocated memory is still 183.5MB. Free memory was 103.2MB in the beginning and 100.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 72.66ms. Allocated memory is still 183.5MB. Free memory was 100.7MB in the beginning and 98.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 433.95ms. Allocated memory is still 183.5MB. Free memory was 98.3MB in the beginning and 73.8MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 27688.68ms. Allocated memory was 183.5MB in the beginning and 742.4MB in the end (delta: 558.9MB). Free memory was 73.4MB in the beginning and 498.0MB in the end (delta: -424.6MB). Peak memory consumption was 380.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101] - GenericResultAtLocation [Line: 176]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176] - GenericResultAtLocation [Line: 450]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [450] - GenericResultAtLocation [Line: 553]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [553] - GenericResultAtLocation [Line: 653]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [653] - GenericResultAtLocation [Line: 662]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [662] - GenericResultAtLocation [Line: 697]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [697] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 658]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.6s, OverallIterations: 14, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5741 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5687 mSDsluCounter, 5633 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4356 mSDsCounter, 2552 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13479 IncrementalHoareTripleChecker+Invalid, 16031 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2552 mSolverCounterUnsat, 1277 mSDtfsCounter, 13479 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2666 GetRequests, 2281 SyntacticMatches, 22 SemanticMatches, 363 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5323 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1895occurred in iteration=13, InterpolantAutomatonStates: 281, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 711 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 3956 PreInvPairs, 4314 NumberOfFragments, 3057 HoareAnnotationTreeSize, 3956 FormulaSimplifications, 38709 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 31 FormulaSimplificationsInter, 55933 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 2416 NumberOfCodeBlocks, 2416 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3258 ConstructedInterpolants, 0 QuantifiedInterpolants, 6763 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3459 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 25 InterpolantComputations, 9 PerfectInterpolantSequences, 2946/3314 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (waterLevel <= 1)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) && !((0 == systemActive)))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel == 1))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (tmp == 1)) && (splverifierCounter == 0)) && (waterLevel <= 0))) || ((((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) RESULT: Ultimate proved your program to be correct! [2023-12-21 10:14:19,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...